Crystal Drop Sealant is designed specifically for eyelash extensions. This product can be applied daily and is used to protect lash extensions from elements that break down the bond of the adhesive. Sealant should be used on each client after lash extension application is completed. It can be applied using a mascara wand or a micro swab to prevent contamination between clients. Black Diamond Coating Sealant is designed specifically for lash extensions. This product can be applied daily and is used to protect eyelashes from elements that break down the bond of the adhesive. Sealant should be used on each client after lash extension application is completed. It can be applied using a mascara wand or a micro swab to prevent contamination between clients. Protects lashes from moisture, oil, and dust Extends the life of your eyelash extensions Coats lashes with a clear sealant